Improvement in clevises



UNITED STATES PATENT QFFICE.

GILLUM SHELTON, or NORMAL, ILLINOIS.

IMPROVEMENT lN- CLEVISES.

I Specification forming part of Letters Patent No. 157,976, datedDecember 22, 1874; application filed August 10, 1874.

To all whom it may concern:

Be it known that I, GILLUM SHELTON, of Normal, county of McLean andState of Illinois, have invented certain Improvements in Plow-Clevises,of which the following is a specification:

This invention relates to improvements in clevises for regulating thelateral and vertical penetration of plows; and the invention consists inconstructing the stationary clevis with a socket, fitting the forwardend of the beam for protection thereof, and carrying on its forward enda double segmental adjusting-plate, and 011 its rear end plates forreceiving the pivot-bolt for the oscillating clevis, with which itoperates in combination, all as hereinafter fully described.

In the accompanying drawing, Figure 1 is a perspective view, Fig. 2 atop view, and Fig. 3 a side elevation, of my invention. Fig. 4 is asectional view on the plane of the line :10 m in Fig. 2.

The similar letters used as marks of reference refer to the like partsin all the figures.

Letter A represents one end of a plow-beam in dotted lines. B is thestationary clevis, formed, as shown in the drawings, of a socket, B,which fits snugly the end of the beam, and carries across its forwardend an' arcshaped plate, b, from the upper and lower sides of whichsegmental flanges b b extend forward, and are pierced with holes b. B Bare plates extending back from the upper and lower sides of the socketB, and perforated at their rear ends for the passage of the bolt 0. D isthe oscillating clevis, formed, as

also shown in the drawings, of a vertical adjusting-bar, D, which ispierced with holes d, and provided with two rearwardlyextending arms, DD, perforated at their forward ends for the passage of a bolt, E, and attheir rear ends for the passage of the bolt 0. The socket B, arcs b b band plates B B are cast in one piece, and are retained in place on theplow'beam by screw-nails or small bolts through the holes 11.. Theclevis D oscillates on the bolt 0, and is fixed in any desired positionby the bolt E, for adjusting the lateral penetration of the soil by theplows, and. when adjusted to the extreme right or left hand the socket Bwill strengthen the end of the beam to resist the increased strainthereon, and the plates B will furnish metallic bearings for the bolt 0.The entire socket may be extended back as far as the plates B, but theconstruction shown is lighter, and furnishes all needed stay to the endof the beam.

The vertical penetration of the soil by the plows is regulated byattaching the draft-animals higher or lower in the series of holes (I inthe bar D, in the obvious manner.

'What I claim as my invention is- The herein described attachment to thebeams of plows, consisting of the combination of the socket B, segmentalplates b, and bolt 0 with the oscillating clevis D and bolt E,substantially as and for the purpose set forth.

GILLUM SHELTON.

Witnesses:

THoMAs MoKEE, W. B. Rronnnns.

